/* 版心 */

* {
    padding: 0;
    margin: 0;
}

.w {
    width: 1100px;
    margin: 0 auto;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}


/* 头部模块 */

.navbar {
    position: fixed;
    width: 100%;
    height: 114px;
    color: #3b3b3b;
    background-color: #fff;
    z-index: 999;
}

.navbar_top {
    height: 31px;
    background-color: #f5f5f5;
}

.navbar_tools {
    float: right;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 170px;
    height: 31px;
    font-size: 12px;
}

.navbar_menu {
    height: 82px;
    background-color: #ffffff;
}

.menu_logo {
    display: inline-block;
}

.menu_logo img {
    width: 103px;
    height: 20px;
    margin: 30px 0 30px 80px;
}

.menu_box {
    display: inline-block;
    width: 500px;
    height: 80px;
    margin: 0 50px;
}

.menu_ul {
    margin: 0 30px;
}

.menu_ul li {
    float: left;
    height: 50px;
    margin: 0 20px;
    text-align: center;
    line-height: 80px;
    font-size: 16px;
}

.menu_ul li:hover+.second_menu {
    display: block;
}


/* 下拉菜单 */

.second_menu {
    display: none;
    width: 100%;
    height: 150px;
}

.second_menu_box_left {
    position: absolute;
    top: 113px;
    left: 0px;
    width: 300px;
    height: 150px;
    background-color: #f9f9f9;
}

.second_menu_box_left ul li {
    float: left;
    width: 300px;
    height: 75px;
    line-height: 75px;
    text-align: center;
    font-size: 16px;
}

.second_menu_box_right {
    position: absolute;
    top: 113px;
    left: 0px;
    left: 300px;
    width: 962px;
    height: 150px;
    background-color: #ffffff;
}

.menu_card_row a {
    float: left;
    width: 210px;
    height: 75px;
    line-height: 75px;
    text-align: center;
    font-size: 16px;
    color: #3b3b3b;
}